Hydrologist I (MA/NH)

Weston & Sampson Engineers Inc; Boston (MA); On-site; USD 54,000 - 68,000; Full time

Benefits offered by this job

Meaningful work

Ownership mindset

Growth opportunities

Flexible workplace

Strong culture

Job summary

Weston & Sampson Engineers Inc. is seeking an entry-level Hydrologist (0-5 years) for our Water discipline in MA or NH offices. The role emphasizes hydrologic/hydraulic modeling with urban stormwater focus, using HydroCAD, HEC-HMS, HEC-RAS, and PCSWMM.

You will conduct surface water analyses, support stormwater design, perform field measurements, and travel regionally to client sites. A BS in engineering is required; MS and GIS experience are a plus, and EIT is preferred.

Qualifications

• BS in Civil or Environmental Engineering is required.
• MS in Civil or Environmental Engineering is a plus.
• EIT or ability to pass exam within six months is preferred.
• Experience with hydrologic and hydraulic modeling is preferred.
• Experience with GIS analyses and mapping is required.

Responsibilities

• Conduct analyses and computer-aided evaluations of surface water systems (watersheds, rivers, lakes).
• Model and support design of stormwater BMPs, green infrastructure, and LID projects.
• Prepare Letter of Map Revision applications.
• Become proficient with HydroCAD, HEC-HMS, HEC-RAS, and PCSWMM.
• Work independently and communicate results to a multidisciplinary team.
• Prepare clear written and verbal summaries for technical and lay audiences.
• Conduct field work to gather measurements supporting surface water model development.
• Travel to client meetings and project sites within New England, mid-Atlantic, and Carolinas.

Skills

Communication skills

Team collaboration

Written & verbal communication

Willingness to travel

Independent work

Education

BS in Civil/Environmental Engineering

MS in Civil/Environmental Engineering (preferred)

EIT (preferred)

Tools

HydroCAD

HEC-HMS

HEC-RAS

PCSWMM

GIS software

Job description

Weston & Sampson is seeking an entry-level Hydrologist with 0-5 years of experience for our Water discipline in one of our MA or NH offices. The Hydrologist will have experience in hydrologic and hydraulic modeling, ideally with a focus on urban stormwater.

What you’ll do:

• Conduct analyses and computer-aided evaluations of surface water systems, including watersheds, rivers, and lakes.
• Model and support design of stormwater BMPs, green infrastructure, and LID projects.
• Prepare Letter of Map Revision applications.
• Become proficient with software such as HydroCAD, HEC-HMS, HEC-RAS, and PCSWMM.
• Work independently and effectively communicating results to a multidisciplinary team.
• Prepare clear and concise written and verbal summaries of technical material for both technical and lay audiences.
• Conduct field work to gather measurements, survey, and other observations to support surface water model development.
• Some travel will be required to client meetings and project sites within New England and the mid-Atlantic and Carolinas.

What you’ll bring:

• BS in Civil or Environmental Engineering, Hydrology, Hydrogeology, or similar degree is required.
• MS in Civil or Environmental Engineering, Hydrology, Hydrogeology, or similar degree is a plus.
• Engineer-in-Training (EIT) or ability to pass exam within the first six months of employment is preferred.
• Experience with hydrologic (HydroCAD, HEC-HMS) and hydraulic modeling (HEC-RAS, SWMM) is preferred
• Experience with GIS analyses and mapping is required.
• Experience modeling and designing stormwater BMPs is a plus.
• Experience modeling and designing green infrastructure and LID projects is a plus.
• Successful candidates will have 0 to 5 years of experience and have a general familiarity with surface water hydrology and hydraulics.
• Must have an interest in the evaluation and computer-aided modeling of surface water systems, including watersheds, rivers, and lakes.
• Must be willing to collaborate remotely with coworkers in other office locations.
• Excellent written and verbal communication skills and organizational/time management skills are required.
• Must be willing/able to participate in field investigations. Some travel will be required to client meetings and project sites within New England. Valid driver’s license is required.

Salary Range $54,000 - $68,000 Based on Education

Overview:

At Weston & Sampson, you’ll work alongside more than 1,000 employee-owners who are passionate about improving our communities. From providing clean water to designing resilient infrastructure and sustainable environments, our work has a direct impact on quality of life. We’re looking for curious, driven professionals who want to contribute to innovative, impactful projects and grow with a team that supports them.

We are a 100% employee-owned, interdisciplinary firm offering design, engineering, and environmental services. Since our founding in 1899, we have worked to build a collaborative, forward-thinking environment grounded in respectfor each other’s ideas.

We offer:

• Meaningful work:Contribute to projects that protect and enhance the natural and built environments
• Ownership mindset: As an employee-owner, your work directly contributes to our shared success
• Growth opportunities: Build your career through mentorship, diverse projects, and clear advancement pathways
• Flexible workplace: Work in a way that supports your life and not the other way around
• Strong culture: Join a team that values collaboration, inclusion, and recognition

Our Commitment to Inclusion, Diversity, Equity & Access (IDEA)

We believe diverse perspectives make us stronger. Weston & Sampson is committed to fostering a culture of belonging where all employees feel valued, respected, and empowered. We actively support IDEA principles across our organization and in our daily work.

Equal employment opportunity, including veterans and individuals with disabilities.

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